New ask Hacker News story: Ask HN: How often do you use “I think”?

Ask HN: How often do you use “I think”?
2 by fakecrusade | 4 comments on Hacker News.
When commenting on colleague's work, or when arguing constructively, how often do you use "I think" in an attempt to appear less authoritarian/harsh, or conversely, more open minded. How did it work out? What are the pros and cons that you've observed?